What is "oliveriana"

Oliveriana is a genus of flowering plants from the orchid family, Orchidaceae. It contains 6 known species, all native to South America.

1. Oliveriana brevilabia (C.Schweinf.) Dressler & N.H.Williams - Peru, Ecuador
2. Oliveriana ecuadorensis Dodson - Ecuador, Venezuela
3. Oliveriana egregia Rchb.f. - Colombia, Guyana
4. Oliveriana lehmannii Garay - Colombia
5. Oliveriana ortizii A.Fernández - Colombia
6. Oliveriana simulans Dodson & R.Vásquez - Bolivia